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60 #ifndef __iwl_fw_api_location_h__
61 #define __iwl_fw_api_location_h__
62 
63 /**
64  * enum iwl_location_subcmd_ids - location group command IDs
65  */
66 enum iwl_location_subcmd_ids {
67 	/**
68 	 * @TOF_RANGE_REQ_CMD: TOF ranging request,
69 	 *	uses &struct iwl_tof_range_req_cmd
70 	 */
71 	TOF_RANGE_REQ_CMD = 0x0,
72 	/**
73 	 * @TOF_CONFIG_CMD: TOF configuration, uses &struct iwl_tof_config_cmd
74 	 */
75 	TOF_CONFIG_CMD = 0x1,
76 	/**
77 	 * @TOF_RANGE_ABORT_CMD: abort ongoing ranging, uses
78 	 *	&struct iwl_tof_range_abort_cmd
79 	 */
80 	TOF_RANGE_ABORT_CMD = 0x2,
81 	/**
82 	 * @TOF_RANGE_REQ_EXT_CMD: TOF extended ranging config,
83 	 *	uses &struct iwl_tof_range_req_ext_cmd
84 	 */
85 	TOF_RANGE_REQ_EXT_CMD = 0x3,
86 	/**
87 	 * @TOF_RESPONDER_CONFIG_CMD: FTM responder configuration,
88 	 *	uses &struct iwl_tof_responder_config_cmd
89 	 */
90 	TOF_RESPONDER_CONFIG_CMD = 0x4,
91 	/**
92 	 * @TOF_RESPONDER_DYN_CONFIG_CMD: FTM dynamic configuration,
93 	 *	uses &struct iwl_tof_responder_dyn_config_cmd
94 	 */
95 	TOF_RESPONDER_DYN_CONFIG_CMD = 0x5,
96 	/**
97 	 * @CSI_HEADER_NOTIFICATION: CSI header
98 	 */
99 	CSI_HEADER_NOTIFICATION = 0xFA,
100 	/**
101 	 * @CSI_CHUNKS_NOTIFICATION: CSI chunk,
102 	 *	uses &struct iwl_csi_chunk_notification
103 	 */
104 	CSI_CHUNKS_NOTIFICATION = 0xFB,
105 	/**
106 	 * @TOF_LC_NOTIF: used for LCI/civic location, contains just
107 	 *	the action frame
108 	 */
109 	TOF_LC_NOTIF = 0xFC,
110 	/**
111 	 * @TOF_RESPONDER_STATS: FTM responder statistics notification,
112 	 *	uses &struct iwl_ftm_responder_stats
113 	 */
114 	TOF_RESPONDER_STATS = 0xFD,
115 	/**
116 	 * @TOF_MCSI_DEBUG_NOTIF: MCSI debug notification, uses
117 	 *	&struct iwl_tof_mcsi_notif
118 	 */
119 	TOF_MCSI_DEBUG_NOTIF = 0xFE,
120 	/**
121 	 * @TOF_RANGE_RESPONSE_NOTIF: ranging response, using
122 	 *	&struct iwl_tof_range_rsp_ntfy
123 	 */
124 	TOF_RANGE_RESPONSE_NOTIF = 0xFF,
125 };
126 
127 /**
128  * struct iwl_tof_config_cmd - ToF configuration
129  * @tof_disabled: indicates if ToF is disabled (or not)
130  * @one_sided_disabled: indicates if one-sided is disabled (or not)
131  * @is_debug_mode: indiciates if debug mode is active
132  * @is_buf_required: indicates if channel estimation buffer is required
133  */
134 struct iwl_tof_config_cmd {
135 	u8 tof_disabled;
136 	u8 one_sided_disabled;
137 	u8 is_debug_mode;
138 	u8 is_buf_required;
139 } __packed;
140 
141 /**
142  * enum iwl_tof_bandwidth - values for iwl_tof_range_req_ap_entry.bandwidth
143  * @IWL_TOF_BW_20_LEGACY: 20 MHz non-HT
144  * @IWL_TOF_BW_20_HT: 20 MHz HT
145  * @IWL_TOF_BW_40: 40 MHz
146  * @IWL_TOF_BW_80: 80 MHz
147  * @IWL_TOF_BW_160: 160 MHz
148  * @IWL_TOF_BW_NUM: number of tof bandwidths
149  */
150 enum iwl_tof_bandwidth {
151 	IWL_TOF_BW_20_LEGACY,
152 	IWL_TOF_BW_20_HT,
153 	IWL_TOF_BW_40,
154 	IWL_TOF_BW_80,
155 	IWL_TOF_BW_160,
156 	IWL_TOF_BW_NUM,
157 }; /* LOCAT_BW_TYPE_E */
158 
159 /*
160  * enum iwl_tof_algo_type - Algorithym type for range measurement request
161  */
162 enum iwl_tof_algo_type {
163 	IWL_TOF_ALGO_TYPE_MAX_LIKE	= 0,
164 	IWL_TOF_ALGO_TYPE_LINEAR_REG	= 1,
165 	IWL_TOF_ALGO_TYPE_FFT		= 2,
166 
167 	/* Keep last */
168 	IWL_TOF_ALGO_TYPE_INVALID,
169 }; /* ALGO_TYPE_E */
170 
171 /*
172  * enum iwl_tof_mcsi_ntfy - Enable/Disable MCSI notifications
173  */
174 enum iwl_tof_mcsi_enable {
175 	IWL_TOF_MCSI_DISABLED = 0,
176 	IWL_TOF_MCSI_ENABLED = 1,
177 }; /* MCSI_ENABLE_E */
178 
179 /**
180  * enum iwl_tof_responder_cmd_valid_field - valid fields in the responder cfg
181  * @IWL_TOF_RESPONDER_CMD_VALID_CHAN_INFO: channel info is valid
182  * @IWL_TOF_RESPONDER_CMD_VALID_TOA_OFFSET: ToA offset is valid
183  * @IWL_TOF_RESPONDER_CMD_VALID_COMMON_CALIB: common calibration mode is valid
184  * @IWL_TOF_RESPONDER_CMD_VALID_SPECIFIC_CALIB: spefici calibration mode is
185  *	valid
186  * @IWL_TOF_RESPONDER_CMD_VALID_BSSID: BSSID is valid
187  * @IWL_TOF_RESPONDER_CMD_VALID_TX_ANT: TX antenna is valid
188  * @IWL_TOF_RESPONDER_CMD_VALID_ALGO_TYPE: algorithm type is valid
189  * @IWL_TOF_RESPONDER_CMD_VALID_NON_ASAP_SUPPORT: non-ASAP support is valid
190  * @IWL_TOF_RESPONDER_CMD_VALID_STATISTICS_REPORT_SUPPORT: statistics report
191  *	support is valid
192  * @IWL_TOF_RESPONDER_CMD_VALID_MCSI_NOTIF_SUPPORT: MCSI notification support
193  *	is valid
194  * @IWL_TOF_RESPONDER_CMD_VALID_FAST_ALGO_SUPPORT: fast algorithm support
195  *	is valid
196  * @IWL_TOF_RESPONDER_CMD_VALID_RETRY_ON_ALGO_FAIL: retry on algorithm failure
197  *	is valid
198  * @IWL_TOF_RESPONDER_CMD_VALID_STA_ID: station ID is valid
199  */
200 enum iwl_tof_responder_cmd_valid_field {
201 	IWL_TOF_RESPONDER_CMD_VALID_CHAN_INFO = BIT(0),
202 	IWL_TOF_RESPONDER_CMD_VALID_TOA_OFFSET = BIT(1),
203 	IWL_TOF_RESPONDER_CMD_VALID_COMMON_CALIB = BIT(2),
204 	IWL_TOF_RESPONDER_CMD_VALID_SPECIFIC_CALIB = BIT(3),
205 	IWL_TOF_RESPONDER_CMD_VALID_BSSID = BIT(4),
206 	IWL_TOF_RESPONDER_CMD_VALID_TX_ANT = BIT(5),
207 	IWL_TOF_RESPONDER_CMD_VALID_ALGO_TYPE = BIT(6),
208 	IWL_TOF_RESPONDER_CMD_VALID_NON_ASAP_SUPPORT = BIT(7),
209 	IWL_TOF_RESPONDER_CMD_VALID_STATISTICS_REPORT_SUPPORT = BIT(8),
210 	IWL_TOF_RESPONDER_CMD_VALID_MCSI_NOTIF_SUPPORT = BIT(9),
211 	IWL_TOF_RESPONDER_CMD_VALID_FAST_ALGO_SUPPORT = BIT(10),
212 	IWL_TOF_RESPONDER_CMD_VALID_RETRY_ON_ALGO_FAIL = BIT(11),
213 	IWL_TOF_RESPONDER_CMD_VALID_STA_ID = BIT(12),
214 };
215 
216 /**
217  * enum iwl_tof_responder_cfg_flags - responder configuration flags
218  * @IWL_TOF_RESPONDER_FLAGS_NON_ASAP_SUPPORT: non-ASAP support
219  * @IWL_TOF_RESPONDER_FLAGS_REPORT_STATISTICS: report statistics
220  * @IWL_TOF_RESPONDER_FLAGS_REPORT_MCSI: report MCSI
221  * @IWL_TOF_RESPONDER_FLAGS_ALGO_TYPE: algorithm type
222  * @IWL_TOF_RESPONDER_FLAGS_TOA_OFFSET_MODE: ToA offset mode
223  * @IWL_TOF_RESPONDER_FLAGS_COMMON_CALIB_MODE: common calibration mode
224  * @IWL_TOF_RESPONDER_FLAGS_SPECIFIC_CALIB_MODE: specific calibration mode
225  * @IWL_TOF_RESPONDER_FLAGS_FAST_ALGO_SUPPORT: fast algorithm support
226  * @IWL_TOF_RESPONDER_FLAGS_RETRY_ON_ALGO_FAIL: retry on algorithm fail
227  * @IWL_TOF_RESPONDER_FLAGS_FTM_TX_ANT: TX antenna mask
228  */
229 enum iwl_tof_responder_cfg_flags {
230 	IWL_TOF_RESPONDER_FLAGS_NON_ASAP_SUPPORT = BIT(0),
231 	IWL_TOF_RESPONDER_FLAGS_REPORT_STATISTICS = BIT(1),
232 	IWL_TOF_RESPONDER_FLAGS_REPORT_MCSI = BIT(2),
233 	IWL_TOF_RESPONDER_FLAGS_ALGO_TYPE = BIT(3) | BIT(4) | BIT(5),
234 	IWL_TOF_RESPONDER_FLAGS_TOA_OFFSET_MODE = BIT(6),
235 	IWL_TOF_RESPONDER_FLAGS_COMMON_CALIB_MODE = BIT(7),
236 	IWL_TOF_RESPONDER_FLAGS_SPECIFIC_CALIB_MODE = BIT(8),
237 	IWL_TOF_RESPONDER_FLAGS_FAST_ALGO_SUPPORT = BIT(9),
238 	IWL_TOF_RESPONDER_FLAGS_RETRY_ON_ALGO_FAIL = BIT(10),
239 	IWL_TOF_RESPONDER_FLAGS_FTM_TX_ANT = RATE_MCS_ANT_ABC_MSK,
240 };
241 
242 /**
243  * struct iwl_tof_responder_config_cmd_v6 - ToF AP mode (for debug)
244  * @cmd_valid_fields: &iwl_tof_responder_cmd_valid_field
245  * @responder_cfg_flags: &iwl_tof_responder_cfg_flags
246  * @bandwidth: current AP Bandwidth: &enum iwl_tof_bandwidth
247  * @rate: current AP rate
248  * @channel_num: current AP Channel
249  * @ctrl_ch_position: coding of the control channel position relative to
250  *	the center frequency, see iwl_mvm_get_ctrl_pos()
251  * @sta_id: index of the AP STA when in AP mode
252  * @reserved1: reserved
253  * @toa_offset: Artificial addition [pSec] for the ToA - to be used for debug
254  *	purposes, simulating station movement by adding various values
255  *	to this field
256  * @common_calib: XVT: common calibration value
257  * @specific_calib: XVT: specific calibration value
258  * @bssid: Current AP BSSID
259  * @reserved2: reserved
260  */
261 struct iwl_tof_responder_config_cmd_v6 {
262 	__le32 cmd_valid_fields;
263 	__le32 responder_cfg_flags;
264 	u8 bandwidth;
265 	u8 rate;
266 	u8 channel_num;
267 	u8 ctrl_ch_position;
268 	u8 sta_id;
269 	u8 reserved1;
270 	__le16 toa_offset;
271 	__le16 common_calib;
272 	__le16 specific_calib;
273 	u8 bssid[ETH_ALEN];
274 	__le16 reserved2;
275 } __packed; /* TOF_RESPONDER_CONFIG_CMD_API_S_VER_6 */
276 
277 /**
278  * struct iwl_tof_responder_config_cmd - ToF AP mode (for debug)
279  * @cmd_valid_fields: &iwl_tof_responder_cmd_valid_field
280  * @responder_cfg_flags: &iwl_tof_responder_cfg_flags
281  * @format_bw: bits 0 - 3: &enum iwl_location_frame_format.
282  *             bits 4 - 7: &enum iwl_location_bw.
283  * @rate: current AP rate
284  * @channel_num: current AP Channel
285  * @ctrl_ch_position: coding of the control channel position relative to
286  *	the center frequency, see iwl_mvm_get_ctrl_pos()
287  * @sta_id: index of the AP STA when in AP mode
288  * @reserved1: reserved
289  * @toa_offset: Artificial addition [pSec] for the ToA - to be used for debug
290  *	purposes, simulating station movement by adding various values
291  *	to this field
292  * @common_calib: XVT: common calibration value
293  * @specific_calib: XVT: specific calibration value
294  * @bssid: Current AP BSSID
295  * @reserved2: reserved
296  */
297 struct iwl_tof_responder_config_cmd {
298 	__le32 cmd_valid_fields;
299 	__le32 responder_cfg_flags;
300 	u8 format_bw;
301 	u8 rate;
302 	u8 channel_num;
303 	u8 ctrl_ch_position;
304 	u8 sta_id;
305 	u8 reserved1;
306 	__le16 toa_offset;
307 	__le16 common_calib;
308 	__le16 specific_calib;
309 	u8 bssid[ETH_ALEN];
310 	__le16 reserved2;
311 } __packed; /* TOF_RESPONDER_CONFIG_CMD_API_S_VER_6 */
312 
313 #define IWL_LCI_CIVIC_IE_MAX_SIZE	400
314 
315 /**
316  * struct iwl_tof_responder_dyn_config_cmd - Dynamic responder settings
317  * @lci_len: The length of the 1st (LCI) part in the @lci_civic buffer
318  * @civic_len: The length of the 2nd (CIVIC) part in the @lci_civic buffer
319  * @lci_civic: The LCI/CIVIC buffer. LCI data (if exists) comes first, then, if
320  *	needed, 0-padding such that the next part is dword-aligned, then CIVIC
321  *	data (if exists) follows, and then 0-padding again to complete a
322  *	4-multiple long buffer.
323  */
324 struct iwl_tof_responder_dyn_config_cmd {
325 	__le32 lci_len;
326 	__le32 civic_len;
327 	u8 lci_civic[];
328 } __packed; /* TOF_RESPONDER_DYN_CONFIG_CMD_API_S_VER_2 */
329 
330 /**
331  * struct iwl_tof_range_req_ext_cmd - extended range req for WLS
332  * @tsf_timer_offset_msec: the recommended time offset (mSec) from the AP's TSF
333  * @reserved: reserved
334  * @min_delta_ftm: Minimal time between two consecutive measurements,
335  *		   in units of 100us. 0 means no preference by station
336  * @ftm_format_and_bw20M: FTM Channel Spacing/Format for 20MHz: recommended
337  *			value be sent to the AP
338  * @ftm_format_and_bw40M: FTM Channel Spacing/Format for 40MHz: recommended
339  *			value to be sent to the AP
340  * @ftm_format_and_bw80M: FTM Channel Spacing/Format for 80MHz: recommended
341  *			value to be sent to the AP
342  */
343 struct iwl_tof_range_req_ext_cmd {
344 	__le16 tsf_timer_offset_msec;
345 	__le16 reserved;
346 	u8 min_delta_ftm;
347 	u8 ftm_format_and_bw20M;
348 	u8 ftm_format_and_bw40M;
349 	u8 ftm_format_and_bw80M;
350 } __packed;
351 
352 /**
353  * enum iwl_tof_location_query - values for query bitmap
354  * @IWL_TOF_LOC_LCI: query LCI
355  * @IWL_TOF_LOC_CIVIC: query civic
356  */
357 enum iwl_tof_location_query {
358 	IWL_TOF_LOC_LCI = 0x01,
359 	IWL_TOF_LOC_CIVIC = 0x02,
360 };
361 
362  /**
363  * struct iwl_tof_range_req_ap_entry_v2 - AP configuration parameters
364  * @channel_num: Current AP Channel
365  * @bandwidth: Current AP Bandwidth. One of iwl_tof_bandwidth.
366  * @tsf_delta_direction: TSF relatively to the subject AP
367  * @ctrl_ch_position: Coding of the control channel position relative to the
368  *	center frequency, see iwl_mvm_get_ctrl_pos().
369  * @bssid: AP's BSSID
370  * @measure_type: Measurement type: 0 - two sided, 1 - One sided
371  * @num_of_bursts: Recommended value to be sent to the AP.  2s Exponent of the
372  *	number of measurement iterations (min 2^0 = 1, max 2^14)
373  * @burst_period: Recommended value to be sent to the AP. Measurement
374  *	periodicity In units of 100ms. ignored if num_of_bursts = 0
375  * @samples_per_burst: 2-sided: the number of FTMs pairs in single Burst (1-31);
376  *	1-sided: how many rts/cts pairs should be used per burst.
377  * @retries_per_sample: Max number of retries that the LMAC should send
378  *	in case of no replies by the AP.
379  * @tsf_delta: TSF Delta in units of microseconds.
380  *	The difference between the AP TSF and the device local clock.
381  * @location_req: Location Request Bit[0] LCI should be sent in the FTMR;
382  *	Bit[1] Civic should be sent in the FTMR
383  * @asap_mode: 0 - non asap mode, 1 - asap mode (not relevant for one sided)
384  * @enable_dyn_ack: Enable Dynamic ACK BW.
385  *	0: Initiator interact with regular AP;
386  *	1: Initiator interact with Responder machine: need to send the
387  *	Initiator Acks with HT 40MHz / 80MHz, since the Responder should
388  *	use it for its ch est measurement (this flag will be set when we
389  *	configure the opposite machine to be Responder).
390  * @rssi: Last received value
391  *	legal values: -128-0 (0x7f). above 0x0 indicating an invalid value.
392  * @algo_type: &enum iwl_tof_algo_type
393  * @notify_mcsi: &enum iwl_tof_mcsi_ntfy.
394  * @reserved: For alignment and future use
395  */
396 struct iwl_tof_range_req_ap_entry_v2 {
397 	u8 channel_num;
398 	u8 bandwidth;
399 	u8 tsf_delta_direction;
400 	u8 ctrl_ch_position;
401 	u8 bssid[ETH_ALEN];
402 	u8 measure_type;
403 	u8 num_of_bursts;
404 	__le16 burst_period;
405 	u8 samples_per_burst;
406 	u8 retries_per_sample;
407 	__le32 tsf_delta;
408 	u8 location_req;
409 	u8 asap_mode;
410 	u8 enable_dyn_ack;
411 	s8 rssi;
412 	u8 algo_type;
413 	u8 notify_mcsi;
414 	__le16 reserved;
415 } __packed; /* LOCATION_RANGE_REQ_AP_ENTRY_CMD_API_S_VER_2 */
416 
417 /**
418  * enum iwl_initiator_ap_flags - per responder FTM configuration flags
419  * @IWL_INITIATOR_AP_FLAGS_ASAP: Request for ASAP measurement.
420  * @IWL_INITIATOR_AP_FLAGS_LCI_REQUEST: Request for LCI information
421  * @IWL_INITIATOR_AP_FLAGS_CIVIC_REQUEST: Request for CIVIC information
422  * @IWL_INITIATOR_AP_FLAGS_DYN_ACK: Send HT/VHT ack for FTM frames. If not set,
423  *	20Mhz dup acks will be sent.
424  * @IWL_INITIATOR_AP_FLAGS_ALGO_LR: Use LR algo type for rtt calculation.
425  *	Default algo type is ML.
426  * @IWL_INITIATOR_AP_FLAGS_ALGO_FFT: Use FFT algo type for rtt calculation.
427  *	Default algo type is ML.
428  * @IWL_INITIATOR_AP_FLAGS_MCSI_REPORT: Send the MCSI for each FTM frame to the
429  *	driver.
430  * @IWL_INITIATOR_AP_FLAGS_NON_TB: Use non trigger based flow
431  * @IWL_INITIATOR_AP_FLAGS_TB: Use trigger based flow
432  * @IWL_INITIATOR_AP_FLAGS_SECURED: request secured measurement
433  * @IWL_INITIATOR_AP_FLAGS_LMR_FEEDBACK: Send LMR feedback
434  * @IWL_INITIATOR_AP_FLAGS_USE_CALIB: Use calibration values from the request
435  *      instead of fw internal values.
436  */
437 enum iwl_initiator_ap_flags {
438 	IWL_INITIATOR_AP_FLAGS_ASAP = BIT(1),
439 	IWL_INITIATOR_AP_FLAGS_LCI_REQUEST = BIT(2),
440 	IWL_INITIATOR_AP_FLAGS_CIVIC_REQUEST = BIT(3),
441 	IWL_INITIATOR_AP_FLAGS_DYN_ACK = BIT(4),
442 	IWL_INITIATOR_AP_FLAGS_ALGO_LR = BIT(5),
443 	IWL_INITIATOR_AP_FLAGS_ALGO_FFT = BIT(6),
444 	IWL_INITIATOR_AP_FLAGS_MCSI_REPORT = BIT(8),
445 	IWL_INITIATOR_AP_FLAGS_NON_TB = BIT(9),
446 	IWL_INITIATOR_AP_FLAGS_TB = BIT(10),
447 	IWL_INITIATOR_AP_FLAGS_SECURED = BIT(11),
448 	IWL_INITIATOR_AP_FLAGS_LMR_FEEDBACK = BIT(12),
449 	IWL_INITIATOR_AP_FLAGS_USE_CALIB = BIT(13),
450 };
451 
452 /**
453  * struct iwl_tof_range_req_ap_entry_v3 - AP configuration parameters
454  * @initiator_ap_flags: see &enum iwl_initiator_ap_flags.
455  * @channel_num: AP Channel number
456  * @bandwidth: AP bandwidth. One of iwl_tof_bandwidth.
457  * @ctrl_ch_position: Coding of the control channel position relative to the
458  *	center frequency, see iwl_mvm_get_ctrl_pos().
459  * @ftmr_max_retries: Max number of retries to send the FTMR in case of no
460  *	reply from the AP.
461  * @bssid: AP's BSSID
462  * @burst_period: Recommended value to be sent to the AP. Measurement
463  *	periodicity In units of 100ms. ignored if num_of_bursts_exp = 0
464  * @samples_per_burst: the number of FTMs pairs in single Burst (1-31);
465  * @num_of_bursts: Recommended value to be sent to the AP. 2s Exponent of
466  *	the number of measurement iterations (min 2^0 = 1, max 2^14)
467  * @reserved: For alignment and future use
468  * @tsf_delta: not in use
469  */
470 struct iwl_tof_range_req_ap_entry_v3 {
471 	__le32 initiator_ap_flags;
472 	u8 channel_num;
473 	u8 bandwidth;
474 	u8 ctrl_ch_position;
475 	u8 ftmr_max_retries;
476 	u8 bssid[ETH_ALEN];
477 	__le16 burst_period;
478 	u8 samples_per_burst;
479 	u8 num_of_bursts;
480 	__le16 reserved;
481 	__le32 tsf_delta;
482 } __packed; /* LOCATION_RANGE_REQ_AP_ENTRY_CMD_API_S_VER_3 */
483 
484 /**
485  * enum iwl_location_frame_format - location frame formats
486  * @IWL_LOCATION_FRAME_FORMAT_LEGACY: legacy
487  * @IWL_LOCATION_FRAME_FORMAT_HT: HT
488  * @IWL_LOCATION_FRAME_FORMAT_VHT: VHT
489  * @IWL_LOCATION_FRAME_FORMAT_HE: HE
490  */
491 enum iwl_location_frame_format {
492 	IWL_LOCATION_FRAME_FORMAT_LEGACY,
493 	IWL_LOCATION_FRAME_FORMAT_HT,
494 	IWL_LOCATION_FRAME_FORMAT_VHT,
495 	IWL_LOCATION_FRAME_FORMAT_HE,
496 };
497 
498 /**
499  * enum iwl_location_bw - location bandwidth selection
500  * @IWL_LOCATION_BW_20MHZ: 20MHz
501  * @IWL_LOCATION_BW_40MHZ: 40MHz
502  * @IWL_LOCATION_BW_80MHZ: 80MHz
503  */
504 enum iwl_location_bw {
505 	IWL_LOCATION_BW_20MHZ,
506 	IWL_LOCATION_BW_40MHZ,
507 	IWL_LOCATION_BW_80MHZ,
508 };
509 
510 #define HLTK_11AZ_LEN	32
511 #define TK_11AZ_LEN	32
512 
513 #define LOCATION_BW_POS	4
514 
515 /**
516  * struct iwl_tof_range_req_ap_entry_v4 - AP configuration parameters
517  * @initiator_ap_flags: see &enum iwl_initiator_ap_flags.
518  * @channel_num: AP Channel number
519  * @format_bw: bits 0 - 3: &enum iwl_location_frame_format.
520  *             bits 4 - 7: &enum iwl_location_bw.
521  * @ctrl_ch_position: Coding of the control channel position relative to the
522  *	center frequency, see iwl_mvm_get_ctrl_pos().
523  * @ftmr_max_retries: Max number of retries to send the FTMR in case of no
524  *	reply from the AP.
525  * @bssid: AP's BSSID
526  * @burst_period: Recommended value to be sent to the AP. Measurement
527  *	periodicity In units of 100ms. ignored if num_of_bursts_exp = 0
528  * @samples_per_burst: the number of FTMs pairs in single Burst (1-31);
529  * @num_of_bursts: Recommended value to be sent to the AP. 2s Exponent of
530  *	the number of measurement iterations (min 2^0 = 1, max 2^14)
531  * @reserved: For alignment and future use
532  * @hltk: HLTK to be used for secured 11az measurement
533  * @tk: TK to be used for secured 11az measurement
534  */
535 struct iwl_tof_range_req_ap_entry_v4 {
536 	__le32 initiator_ap_flags;
537 	u8 channel_num;
538 	u8 format_bw;
539 	u8 ctrl_ch_position;
540 	u8 ftmr_max_retries;
541 	u8 bssid[ETH_ALEN];
542 	__le16 burst_period;
543 	u8 samples_per_burst;
544 	u8 num_of_bursts;
545 	__le16 reserved;
546 	u8 hltk[HLTK_11AZ_LEN];
547 	u8 tk[TK_11AZ_LEN];
548 } __packed; /* LOCATION_RANGE_REQ_AP_ENTRY_CMD_API_S_VER_4 */
549 
550 /**
551  * enum iwl_location_cipher - location cipher selection
552  * @IWL_LOCATION_CIPHER_CCMP_128: CCMP 128
553  * @IWL_LOCATION_CIPHER_GCMP_128: GCMP 128
554  * @IWL_LOCATION_CIPHER_GCMP_256: GCMP 256
555  */
556 enum iwl_location_cipher {
557 	IWL_LOCATION_CIPHER_CCMP_128,
558 	IWL_LOCATION_CIPHER_GCMP_128,
559 	IWL_LOCATION_CIPHER_GCMP_256,
560 };
561 
562 /**
563  * struct iwl_tof_range_req_ap_entry - AP configuration parameters
564  * @initiator_ap_flags: see &enum iwl_initiator_ap_flags.
565  * @channel_num: AP Channel number
566  * @format_bw: bits 0 - 3: &enum iwl_location_frame_format.
567  *             bits 4 - 7: &enum iwl_location_bw.
568  * @ctrl_ch_position: Coding of the control channel position relative to the
569  *	center frequency, see iwl_mvm_get_ctrl_pos().
570  * @ftmr_max_retries: Max number of retries to send the FTMR in case of no
571  *	reply from the AP.
572  * @bssid: AP's BSSID
573  * @burst_period: Recommended value to be sent to the AP. Measurement
574  *	periodicity In units of 100ms. ignored if num_of_bursts_exp = 0
575  * @samples_per_burst: the number of FTMs pairs in single Burst (1-31);
576  * @num_of_bursts: Recommended value to be sent to the AP. 2s Exponent of
577  *	the number of measurement iterations (min 2^0 = 1, max 2^14)
578  * @sta_id: the station id of the AP. Only relevant when associated to the AP,
579  *	otherwise should be set to &IWL_MVM_INVALID_STA.
580  * @cipher: pairwise cipher suite for secured measurement.
581  *          &enum iwl_location_cipher.
582  * @hltk: HLTK to be used for secured 11az measurement
583  * @tk: TK to be used for secured 11az measurement
584  * @calib: An array of calibration values per FTM rx bandwidth.
585  *         If &IWL_INITIATOR_AP_FLAGS_USE_CALIB is set, the fw will use the
586  *         calibration value that corresponds to the rx bandwidth of the FTM
587  *         frame.
588  * @beacon_interval: beacon interval of the AP in TUs. Only required if
589  *	&IWL_INITIATOR_AP_FLAGS_TB is set.
590  */
591 struct iwl_tof_range_req_ap_entry {
592 	__le32 initiator_ap_flags;
593 	u8 channel_num;
594 	u8 format_bw;
595 	u8 ctrl_ch_position;
596 	u8 ftmr_max_retries;
597 	u8 bssid[ETH_ALEN];
598 	__le16 burst_period;
599 	u8 samples_per_burst;
600 	u8 num_of_bursts;
601 	u8 sta_id;
602 	u8 cipher;
603 	u8 hltk[HLTK_11AZ_LEN];
604 	u8 tk[TK_11AZ_LEN];
605 	__le16 calib[IWL_TOF_BW_NUM];
606 	__le16 beacon_interval;
607 } __packed; /* LOCATION_RANGE_REQ_AP_ENTRY_CMD_API_S_VER_6 */
608 
609 /**
610  * enum iwl_tof_response_mode
611  * @IWL_MVM_TOF_RESPONSE_ASAP: report each AP measurement separately as soon as
612  *			       possible (not supported for this release)
613  * @IWL_MVM_TOF_RESPONSE_TIMEOUT: report all AP measurements as a batch upon
614  *				  timeout expiration
615  * @IWL_MVM_TOF_RESPONSE_COMPLETE: report all AP measurements as a batch at the
616  *				   earlier of: measurements completion / timeout
617  *				   expiration.
618  */
619 enum iwl_tof_response_mode {
620 	IWL_MVM_TOF_RESPONSE_ASAP,
621 	IWL_MVM_TOF_RESPONSE_TIMEOUT,
622 	IWL_MVM_TOF_RESPONSE_COMPLETE,
623 };
624 
625 /**
626  * enum iwl_tof_initiator_flags
627  *
628  * @IWL_TOF_INITIATOR_FLAGS_FAST_ALGO_DISABLED: disable fast algo, meaning run
629  *	the algo on ant A+B, instead of only one of them.
630  * @IWL_TOF_INITIATOR_FLAGS_RX_CHAIN_SEL_A: open RX antenna A for FTMs RX
631  * @IWL_TOF_INITIATOR_FLAGS_RX_CHAIN_SEL_B: open RX antenna B for FTMs RX
632  * @IWL_TOF_INITIATOR_FLAGS_RX_CHAIN_SEL_C: open RX antenna C for FTMs RX
633  * @IWL_TOF_INITIATOR_FLAGS_TX_CHAIN_SEL_A: use antenna A fo TX ACKs during FTM
634  * @IWL_TOF_INITIATOR_FLAGS_TX_CHAIN_SEL_B: use antenna B fo TX ACKs during FTM
635  * @IWL_TOF_INITIATOR_FLAGS_TX_CHAIN_SEL_C: use antenna C fo TX ACKs during FTM
636  * @IWL_TOF_INITIATOR_FLAGS_MACADDR_RANDOM: use random mac address for FTM
637  * @IWL_TOF_INITIATOR_FLAGS_SPECIFIC_CALIB: use the specific calib value from
638  *	the range request command
639  * @IWL_TOF_INITIATOR_FLAGS_COMMON_CALIB: use the common calib value from the
640  *	ragne request command
641  * @IWL_TOF_INITIATOR_FLAGS_NON_ASAP_SUPPORT: support non-asap measurements
642  */
643 enum iwl_tof_initiator_flags {
644 	IWL_TOF_INITIATOR_FLAGS_FAST_ALGO_DISABLED = BIT(0),
645 	IWL_TOF_INITIATOR_FLAGS_RX_CHAIN_SEL_A = BIT(1),
646 	IWL_TOF_INITIATOR_FLAGS_RX_CHAIN_SEL_B = BIT(2),
647 	IWL_TOF_INITIATOR_FLAGS_RX_CHAIN_SEL_C = BIT(3),
648 	IWL_TOF_INITIATOR_FLAGS_TX_CHAIN_SEL_A = BIT(4),
649 	IWL_TOF_INITIATOR_FLAGS_TX_CHAIN_SEL_B = BIT(5),
650 	IWL_TOF_INITIATOR_FLAGS_TX_CHAIN_SEL_C = BIT(6),
651 	IWL_TOF_INITIATOR_FLAGS_MACADDR_RANDOM = BIT(7),
652 	IWL_TOF_INITIATOR_FLAGS_SPECIFIC_CALIB = BIT(15),
653 	IWL_TOF_INITIATOR_FLAGS_COMMON_CALIB   = BIT(16),
654 	IWL_TOF_INITIATOR_FLAGS_NON_ASAP_SUPPORT = BIT(20),
655 }; /* LOCATION_RANGE_REQ_CMD_API_S_VER_5 */
656 
657 #define IWL_MVM_TOF_MAX_APS 5
658 #define IWL_MVM_TOF_MAX_TWO_SIDED_APS 5
659 
660 /**
661  * struct iwl_tof_range_req_cmd_v5 - start measurement cmd
662  * @initiator_flags: see flags @ iwl_tof_initiator_flags
663  * @request_id: A Token incremented per request. The same Token will be
664  *		sent back in the range response
665  * @initiator: 0- NW initiated,  1 - Client Initiated
666  * @one_sided_los_disable: '0'- run ML-Algo for both ToF/OneSided,
667  *			   '1' - run ML-Algo for ToF only
668  * @req_timeout: Requested timeout of the response in units of 100ms.
669  *	     This is equivalent to the session time configured to the
670  *	     LMAC in Initiator Request
671  * @report_policy: Supported partially for this release: For current release -
672  *		   the range report will be uploaded as a batch when ready or
673  *		   when the session is done (successfully / partially).
674  *		   one of iwl_tof_response_mode.
675  * @reserved0: reserved
676  * @num_of_ap: Number of APs to measure (error if > IWL_MVM_TOF_MAX_APS)
677  * @macaddr_random: '0' Use default source MAC address (i.e. p2_p),
678  *	            '1' Use MAC Address randomization according to the below
679  * @range_req_bssid: ranging request BSSID
680  * @macaddr_template: MAC address template to use for non-randomized bits
681  * @macaddr_mask: Bits set to 0 shall be copied from the MAC address template.
682  *		  Bits set to 1 shall be randomized by the UMAC
683  * @ftm_rx_chains: Rx chain to open to receive Responder's FTMs (XVT)
684  * @ftm_tx_chains: Tx chain to send the ack to the Responder FTM (XVT)
685  * @common_calib: The common calib value to inject to this measurement calc
686  * @specific_calib: The specific calib value to inject to this measurement calc
687  * @ap: per-AP request data
688  */
689 struct iwl_tof_range_req_cmd_v5 {
690 	__le32 initiator_flags;
691 	u8 request_id;
692 	u8 initiator;
693 	u8 one_sided_los_disable;
694 	u8 req_timeout;
695 	u8 report_policy;
696 	u8 reserved0;
697 	u8 num_of_ap;
698 	u8 macaddr_random;
699 	u8 range_req_bssid[ETH_ALEN];
700 	u8 macaddr_template[ETH_ALEN];
701 	u8 macaddr_mask[ETH_ALEN];
702 	u8 ftm_rx_chains;
703 	u8 ftm_tx_chains;
704 	__le16 common_calib;
705 	__le16 specific_calib;
706 	struct iwl_tof_range_req_ap_entry_v2 ap[IWL_MVM_TOF_MAX_APS];
707 } __packed;
708 /* LOCATION_RANGE_REQ_CMD_API_S_VER_5 */
709 
710 /**
711  * struct iwl_tof_range_req_cmd_v7 - start measurement cmd
712  * @initiator_flags: see flags @ iwl_tof_initiator_flags
713  * @request_id: A Token incremented per request. The same Token will be
714  *		sent back in the range response
715  * @num_of_ap: Number of APs to measure (error if > IWL_MVM_TOF_MAX_APS)
716  * @range_req_bssid: ranging request BSSID
717  * @macaddr_mask: Bits set to 0 shall be copied from the MAC address template.
718  *		  Bits set to 1 shall be randomized by the UMAC
719  * @macaddr_template: MAC address template to use for non-randomized bits
720  * @req_timeout_ms: Requested timeout of the response in units of milliseconds.
721  *	This is the session time for completing the measurement.
722  * @tsf_mac_id: report the measurement start time for each ap in terms of the
723  *	TSF of this mac id. 0xff to disable TSF reporting.
724  * @common_calib: The common calib value to inject to this measurement calc
725  * @specific_calib: The specific calib value to inject to this measurement calc
726  * @ap: per-AP request data, see &struct iwl_tof_range_req_ap_entry_v2.
727  */
728 struct iwl_tof_range_req_cmd_v7 {
729 	__le32 initiator_flags;
730 	u8 request_id;
731 	u8 num_of_ap;
732 	u8 range_req_bssid[ETH_ALEN];
733 	u8 macaddr_mask[ETH_ALEN];
734 	u8 macaddr_template[ETH_ALEN];
735 	__le32 req_timeout_ms;
736 	__le32 tsf_mac_id;
737 	__le16 common_calib;
738 	__le16 specific_calib;
739 	struct iwl_tof_range_req_ap_entry_v3 ap[IWL_MVM_TOF_MAX_APS];
740 } __packed; /* LOCATION_RANGE_REQ_CMD_API_S_VER_7 */
741 
742 /**
743  * struct iwl_tof_range_req_cmd_v8 - start measurement cmd
744  * @initiator_flags: see flags @ iwl_tof_initiator_flags
745  * @request_id: A Token incremented per request. The same Token will be
746  *		sent back in the range response
747  * @num_of_ap: Number of APs to measure (error if > IWL_MVM_TOF_MAX_APS)
748  * @range_req_bssid: ranging request BSSID
749  * @macaddr_mask: Bits set to 0 shall be copied from the MAC address template.
750  *		  Bits set to 1 shall be randomized by the UMAC
751  * @macaddr_template: MAC address template to use for non-randomized bits
752  * @req_timeout_ms: Requested timeout of the response in units of milliseconds.
753  *	This is the session time for completing the measurement.
754  * @tsf_mac_id: report the measurement start time for each ap in terms of the
755  *	TSF of this mac id. 0xff to disable TSF reporting.
756  * @common_calib: The common calib value to inject to this measurement calc
757  * @specific_calib: The specific calib value to inject to this measurement calc
758  * @ap: per-AP request data, see &struct iwl_tof_range_req_ap_entry_v2.
759  */
760 struct iwl_tof_range_req_cmd_v8 {
761 	__le32 initiator_flags;
762 	u8 request_id;
763 	u8 num_of_ap;
764 	u8 range_req_bssid[ETH_ALEN];
765 	u8 macaddr_mask[ETH_ALEN];
766 	u8 macaddr_template[ETH_ALEN];
767 	__le32 req_timeout_ms;
768 	__le32 tsf_mac_id;
769 	__le16 common_calib;
770 	__le16 specific_calib;
771 	struct iwl_tof_range_req_ap_entry_v4 ap[IWL_MVM_TOF_MAX_APS];
772 } __packed; /* LOCATION_RANGE_REQ_CMD_API_S_VER_8 */
773 
774 /**
775  * struct iwl_tof_range_req_cmd - start measurement cmd
776  * @initiator_flags: see flags @ iwl_tof_initiator_flags
777  * @request_id: A Token incremented per request. The same Token will be
778  *		sent back in the range response
779  * @num_of_ap: Number of APs to measure (error if > IWL_MVM_TOF_MAX_APS)
780  * @range_req_bssid: ranging request BSSID
781  * @macaddr_mask: Bits set to 0 shall be copied from the MAC address template.
782  *		  Bits set to 1 shall be randomized by the UMAC
783  * @macaddr_template: MAC address template to use for non-randomized bits
784  * @req_timeout_ms: Requested timeout of the response in units of milliseconds.
785  *	This is the session time for completing the measurement.
786  * @tsf_mac_id: report the measurement start time for each ap in terms of the
787  *	TSF of this mac id. 0xff to disable TSF reporting.
788  * @ap: per-AP request data, see &struct iwl_tof_range_req_ap_entry_v2.
789  */
790 struct iwl_tof_range_req_cmd {
791 	__le32 initiator_flags;
792 	u8 request_id;
793 	u8 num_of_ap;
794 	u8 range_req_bssid[ETH_ALEN];
795 	u8 macaddr_mask[ETH_ALEN];
796 	u8 macaddr_template[ETH_ALEN];
797 	__le32 req_timeout_ms;
798 	__le32 tsf_mac_id;
799 	struct iwl_tof_range_req_ap_entry ap[IWL_MVM_TOF_MAX_APS];
800 } __packed; /* LOCATION_RANGE_REQ_CMD_API_S_VER_9 */
801 
802 /*
803  * enum iwl_tof_range_request_status - status of the sent request
804  * @IWL_TOF_RANGE_REQUEST_STATUS_SUCCESSFUL - FW successfully received the
805  *	request
806  * @IWL_TOF_RANGE_REQUEST_STATUS_BUSY - FW is busy with a previous request, the
807  *	sent request will not be handled
808  */
809 enum iwl_tof_range_request_status {
810 	IWL_TOF_RANGE_REQUEST_STATUS_SUCCESS,
811 	IWL_TOF_RANGE_REQUEST_STATUS_BUSY,
812 };
813 
814 /**
815  * enum iwl_tof_entry_status
816  *
817  * @IWL_TOF_ENTRY_SUCCESS: successful measurement.
818  * @IWL_TOF_ENTRY_GENERAL_FAILURE: General failure.
819  * @IWL_TOF_ENTRY_NO_RESPONSE: Responder didn't reply to the request.
820  * @IWL_TOF_ENTRY_REQUEST_REJECTED: Responder rejected the request.
821  * @IWL_TOF_ENTRY_NOT_SCHEDULED: Time event was scheduled but not called yet.
822  * @IWL_TOF_ENTRY_TIMING_MEASURE_TIMEOUT: Time event triggered but no
823  *	measurement was completed.
824  * @IWL_TOF_ENTRY_TARGET_DIFF_CH_CANNOT_CHANGE: No range due inability to switch
825  *	from the primary channel.
826  * @IWL_TOF_ENTRY_RANGE_NOT_SUPPORTED: Device doesn't support FTM.
827  * @IWL_TOF_ENTRY_REQUEST_ABORT_UNKNOWN_REASON: Request aborted due to unknown
828  *	reason.
829  * @IWL_TOF_ENTRY_LOCATION_INVALID_T1_T4_TIME_STAMP: Failure due to invalid
830  *	T1/T4.
831  * @IWL_TOF_ENTRY_11MC_PROTOCOL_FAILURE: Failure due to invalid FTM frame
832  *	structure.
833  * @IWL_TOF_ENTRY_REQUEST_CANNOT_SCHED: Request cannot be scheduled.
834  * @IWL_TOF_ENTRY_RESPONDER_CANNOT_COLABORATE: Responder cannot serve the
835  *	initiator for some period, period supplied in @refusal_period.
836  * @IWL_TOF_ENTRY_BAD_REQUEST_ARGS: Bad request arguments.
837  * @IWL_TOF_ENTRY_WIFI_NOT_ENABLED: Wifi not enabled.
838  * @IWL_TOF_ENTRY_RESPONDER_OVERRIDE_PARAMS: Responder override the original
839  *	parameters within the current session.
840  */
841 enum iwl_tof_entry_status {
842 	IWL_TOF_ENTRY_SUCCESS = 0,
843 	IWL_TOF_ENTRY_GENERAL_FAILURE = 1,
844 	IWL_TOF_ENTRY_NO_RESPONSE = 2,
845 	IWL_TOF_ENTRY_REQUEST_REJECTED = 3,
846 	IWL_TOF_ENTRY_NOT_SCHEDULED = 4,
847 	IWL_TOF_ENTRY_TIMING_MEASURE_TIMEOUT = 5,
848 	IWL_TOF_ENTRY_TARGET_DIFF_CH_CANNOT_CHANGE = 6,
849 	IWL_TOF_ENTRY_RANGE_NOT_SUPPORTED = 7,
850 	IWL_TOF_ENTRY_REQUEST_ABORT_UNKNOWN_REASON = 8,
851 	IWL_TOF_ENTRY_LOCATION_INVALID_T1_T4_TIME_STAMP = 9,
852 	IWL_TOF_ENTRY_11MC_PROTOCOL_FAILURE = 10,
853 	IWL_TOF_ENTRY_REQUEST_CANNOT_SCHED = 11,
854 	IWL_TOF_ENTRY_RESPONDER_CANNOT_COLABORATE = 12,
855 	IWL_TOF_ENTRY_BAD_REQUEST_ARGS = 13,
856 	IWL_TOF_ENTRY_WIFI_NOT_ENABLED = 14,
857 	IWL_TOF_ENTRY_RESPONDER_OVERRIDE_PARAMS = 15,
858 }; /* LOCATION_RANGE_RSP_AP_ENTRY_NTFY_API_S_VER_2 */
859 
860 /**
861  * struct iwl_tof_range_rsp_ap_entry_ntfy_v3 - AP parameters (response)
862  * @bssid: BSSID of the AP
863  * @measure_status: current APs measurement status, one of
864  *	&enum iwl_tof_entry_status.
865  * @measure_bw: Current AP Bandwidth: 0  20MHz, 1  40MHz, 2  80MHz
866  * @rtt: The Round Trip Time that took for the last measurement for
867  *	current AP [pSec]
868  * @rtt_variance: The Variance of the RTT values measured for current AP
869  * @rtt_spread: The Difference between the maximum and the minimum RTT
870  *	values measured for current AP in the current session [pSec]
871  * @rssi: RSSI as uploaded in the Channel Estimation notification
872  * @rssi_spread: The Difference between the maximum and the minimum RSSI values
873  *	measured for current AP in the current session
874  * @reserved: reserved
875  * @refusal_period: refusal period in case of
876  *	@IWL_TOF_ENTRY_RESPONDER_CANNOT_COLABORATE [sec]
877  * @range: Measured range [cm]
878  * @range_variance: Measured range variance [cm]
879  * @timestamp: The GP2 Clock [usec] where Channel Estimation notification was
880  *	uploaded by the LMAC
881  * @t2t3_initiator: as calculated from the algo in the initiator
882  * @t1t4_responder: as calculated from the algo in the responder
883  * @common_calib: Calib val that was used in for this AP measurement
884  * @specific_calib: val that was used in for this AP measurement
885  * @papd_calib_output: The result of the tof papd calibration that was injected
886  *	into the algorithm.
887  */
888 struct iwl_tof_range_rsp_ap_entry_ntfy_v3 {
889 	u8 bssid[ETH_ALEN];
890 	u8 measure_status;
891 	u8 measure_bw;
892 	__le32 rtt;
893 	__le32 rtt_variance;
894 	__le32 rtt_spread;
895 	s8 rssi;
896 	u8 rssi_spread;
897 	u8 reserved;
898 	u8 refusal_period;
899 	__le32 range;
900 	__le32 range_variance;
901 	__le32 timestamp;
902 	__le32 t2t3_initiator;
903 	__le32 t1t4_responder;
904 	__le16 common_calib;
905 	__le16 specific_calib;
906 	__le32 papd_calib_output;
907 } __packed; /* LOCATION_RANGE_RSP_AP_ETRY_NTFY_API_S_VER_3 */
908 
909 /**
910  * struct iwl_tof_range_rsp_ap_entry_ntfy_v4 - AP parameters (response)
911  * @bssid: BSSID of the AP
912  * @measure_status: current APs measurement status, one of
913  *	&enum iwl_tof_entry_status.
914  * @measure_bw: Current AP Bandwidth: 0  20MHz, 1  40MHz, 2  80MHz
915  * @rtt: The Round Trip Time that took for the last measurement for
916  *	current AP [pSec]
917  * @rtt_variance: The Variance of the RTT values measured for current AP
918  * @rtt_spread: The Difference between the maximum and the minimum RTT
919  *	values measured for current AP in the current session [pSec]
920  * @rssi: RSSI as uploaded in the Channel Estimation notification
921  * @rssi_spread: The Difference between the maximum and the minimum RSSI values
922  *	measured for current AP in the current session
923  * @last_burst: 1 if no more FTM sessions are scheduled for this responder
924  * @refusal_period: refusal period in case of
925  *	@IWL_TOF_ENTRY_RESPONDER_CANNOT_COLABORATE [sec]
926  * @timestamp: The GP2 Clock [usec] where Channel Estimation notification was
927  *	uploaded by the LMAC
928  * @start_tsf: measurement start time in TSF of the mac specified in the range
929  *	request
930  * @rx_rate_n_flags: rate and flags of the last FTM frame received from this
931  *	responder
932  * @tx_rate_n_flags: rate and flags of the last ack sent to this responder
933  * @t2t3_initiator: as calculated from the algo in the initiator
934  * @t1t4_responder: as calculated from the algo in the responder
935  * @common_calib: Calib val that was used in for this AP measurement
936  * @specific_calib: val that was used in for this AP measurement
937  * @papd_calib_output: The result of the tof papd calibration that was injected
938  *	into the algorithm.
939  */
940 struct iwl_tof_range_rsp_ap_entry_ntfy_v4 {
941 	u8 bssid[ETH_ALEN];
942 	u8 measure_status;
943 	u8 measure_bw;
944 	__le32 rtt;
945 	__le32 rtt_variance;
946 	__le32 rtt_spread;
947 	s8 rssi;
948 	u8 rssi_spread;
949 	u8 last_burst;
950 	u8 refusal_period;
951 	__le32 timestamp;
952 	__le32 start_tsf;
953 	__le32 rx_rate_n_flags;
954 	__le32 tx_rate_n_flags;
955 	__le32 t2t3_initiator;
956 	__le32 t1t4_responder;
957 	__le16 common_calib;
958 	__le16 specific_calib;
959 	__le32 papd_calib_output;
960 } __packed; /* LOCATION_RANGE_RSP_AP_ETRY_NTFY_API_S_VER_4 */
961 
962 /**
963  * struct iwl_tof_range_rsp_ap_entry_ntfy - AP parameters (response)
964  * @bssid: BSSID of the AP
965  * @measure_status: current APs measurement status, one of
966  *	&enum iwl_tof_entry_status.
967  * @measure_bw: Current AP Bandwidth: 0  20MHz, 1  40MHz, 2  80MHz
968  * @rtt: The Round Trip Time that took for the last measurement for
969  *	current AP [pSec]
970  * @rtt_variance: The Variance of the RTT values measured for current AP
971  * @rtt_spread: The Difference between the maximum and the minimum RTT
972  *	values measured for current AP in the current session [pSec]
973  * @rssi: RSSI as uploaded in the Channel Estimation notification
974  * @rssi_spread: The Difference between the maximum and the minimum RSSI values
975  *	measured for current AP in the current session
976  * @last_burst: 1 if no more FTM sessions are scheduled for this responder
977  * @refusal_period: refusal period in case of
978  *	@IWL_TOF_ENTRY_RESPONDER_CANNOT_COLABORATE [sec]
979  * @timestamp: The GP2 Clock [usec] where Channel Estimation notification was
980  *	uploaded by the LMAC
981  * @start_tsf: measurement start time in TSF of the mac specified in the range
982  *	request
983  * @rx_rate_n_flags: rate and flags of the last FTM frame received from this
984  *	responder
985  * @tx_rate_n_flags: rate and flags of the last ack sent to this responder
986  * @t2t3_initiator: as calculated from the algo in the initiator
987  * @t1t4_responder: as calculated from the algo in the responder
988  * @common_calib: Calib val that was used in for this AP measurement
989  * @specific_calib: val that was used in for this AP measurement
990  * @papd_calib_output: The result of the tof papd calibration that was injected
991  *	into the algorithm.
992  * @rttConfidence: a value between 0 - 31 that represents the rtt accuracy.
993  * @reserved: for alignment
994  */
995 struct iwl_tof_range_rsp_ap_entry_ntfy {
996 	u8 bssid[ETH_ALEN];
997 	u8 measure_status;
998 	u8 measure_bw;
999 	__le32 rtt;
1000 	__le32 rtt_variance;
1001 	__le32 rtt_spread;
1002 	s8 rssi;
1003 	u8 rssi_spread;
1004 	u8 last_burst;
1005 	u8 refusal_period;
1006 	__le32 timestamp;
1007 	__le32 start_tsf;
1008 	__le32 rx_rate_n_flags;
1009 	__le32 tx_rate_n_flags;
1010 	__le32 t2t3_initiator;
1011 	__le32 t1t4_responder;
1012 	__le16 common_calib;
1013 	__le16 specific_calib;
1014 	__le32 papd_calib_output;
1015 	u8 rttConfidence;
1016 	u8 reserved[3];
1017 } __packed; /* LOCATION_RANGE_RSP_AP_ETRY_NTFY_API_S_VER_5 */
1018 
1019 /**
1020  * enum iwl_tof_response_status - tof response status
1021  *
1022  * @IWL_TOF_RESPONSE_SUCCESS: successful range.
1023  * @IWL_TOF_RESPONSE_TIMEOUT: request aborted due to timeout expiration.
1024  *	partial result of ranges done so far is included in the response.
1025  * @IWL_TOF_RESPONSE_ABORTED: Measurement aborted by command.
1026  * @IWL_TOF_RESPONSE_FAILED: Measurement request command failed.
1027  */
1028 enum iwl_tof_response_status {
1029 	IWL_TOF_RESPONSE_SUCCESS = 0,
1030 	IWL_TOF_RESPONSE_TIMEOUT = 1,
1031 	IWL_TOF_RESPONSE_ABORTED = 4,
1032 	IWL_TOF_RESPONSE_FAILED  = 5,
1033 }; /* LOCATION_RNG_RSP_STATUS */
1034 
1035 /**
1036  * struct iwl_tof_range_rsp_ntfy_v5 - ranging response notification
1037  * @request_id: A Token ID of the corresponding Range request
1038  * @request_status: status of current measurement session, one of
1039  *	&enum iwl_tof_response_status.
1040  * @last_in_batch: reprot policy (when not all responses are uploaded at once)
1041  * @num_of_aps: Number of APs to measure (error if > IWL_MVM_TOF_MAX_APS)
1042  * @ap: per-AP data
1043  */
1044 struct iwl_tof_range_rsp_ntfy_v5 {
1045 	u8 request_id;
1046 	u8 request_status;
1047 	u8 last_in_batch;
1048 	u8 num_of_aps;
1049 	struct iwl_tof_range_rsp_ap_entry_ntfy_v3 ap[IWL_MVM_TOF_MAX_APS];
1050 } __packed; /* LOCATION_RANGE_RSP_NTFY_API_S_VER_5 */
1051 
1052 /**
1053  * struct iwl_tof_range_rsp_ntfy_v6 - ranging response notification
1054  * @request_id: A Token ID of the corresponding Range request
1055  * @num_of_aps: Number of APs results
1056  * @last_report: 1 if no more FTM sessions are scheduled, 0 otherwise.
1057  * @reserved: reserved
1058  * @ap: per-AP data
1059  */
1060 struct iwl_tof_range_rsp_ntfy_v6 {
1061 	u8 request_id;
1062 	u8 num_of_aps;
1063 	u8 last_report;
1064 	u8 reserved;
1065 	struct iwl_tof_range_rsp_ap_entry_ntfy_v4 ap[IWL_MVM_TOF_MAX_APS];
1066 } __packed; /* LOCATION_RANGE_RSP_NTFY_API_S_VER_6 */
1067 
1068 /**
1069  * struct iwl_tof_range_rsp_ntfy - ranging response notification
1070  * @request_id: A Token ID of the corresponding Range request
1071  * @num_of_aps: Number of APs results
1072  * @last_report: 1 if no more FTM sessions are scheduled, 0 otherwise.
1073  * @reserved: reserved
1074  * @ap: per-AP data
1075  */
1076 struct iwl_tof_range_rsp_ntfy {
1077 	u8 request_id;
1078 	u8 num_of_aps;
1079 	u8 last_report;
1080 	u8 reserved;
1081 	struct iwl_tof_range_rsp_ap_entry_ntfy ap[IWL_MVM_TOF_MAX_APS];
1082 } __packed; /* LOCATION_RANGE_RSP_NTFY_API_S_VER_7 */
1083 
1084 #define IWL_MVM_TOF_MCSI_BUF_SIZE  (245)
1085 /**
1086  * struct iwl_tof_mcsi_notif - used for debug
1087  * @token: token ID for the current session
1088  * @role: '0' - initiator, '1' - responder
1089  * @reserved: reserved
1090  * @initiator_bssid: initiator machine
1091  * @responder_bssid: responder machine
1092  * @mcsi_buffer: debug data
1093  */
1094 struct iwl_tof_mcsi_notif {
1095 	u8 token;
1096 	u8 role;
1097 	__le16 reserved;
1098 	u8 initiator_bssid[ETH_ALEN];
1099 	u8 responder_bssid[ETH_ALEN];
1100 	u8 mcsi_buffer[IWL_MVM_TOF_MCSI_BUF_SIZE * 4];
1101 } __packed;
1102 
1103 /**
1104  * struct iwl_tof_range_abort_cmd
1105  * @request_id: corresponds to a range request
1106  * @reserved: reserved
1107  */
1108 struct iwl_tof_range_abort_cmd {
1109 	u8 request_id;
1110 	u8 reserved[3];
1111 } __packed;
1112 
1113 enum ftm_responder_stats_flags {
1114 	FTM_RESP_STAT_NON_ASAP_STARTED = BIT(0),
1115 	FTM_RESP_STAT_NON_ASAP_IN_WIN = BIT(1),
1116 	FTM_RESP_STAT_NON_ASAP_OUT_WIN = BIT(2),
1117 	FTM_RESP_STAT_TRIGGER_DUP = BIT(3),
1118 	FTM_RESP_STAT_DUP = BIT(4),
1119 	FTM_RESP_STAT_DUP_IN_WIN = BIT(5),
1120 	FTM_RESP_STAT_DUP_OUT_WIN = BIT(6),
1121 	FTM_RESP_STAT_SCHED_SUCCESS = BIT(7),
1122 	FTM_RESP_STAT_ASAP_REQ = BIT(8),
1123 	FTM_RESP_STAT_NON_ASAP_REQ = BIT(9),
1124 	FTM_RESP_STAT_ASAP_RESP = BIT(10),
1125 	FTM_RESP_STAT_NON_ASAP_RESP = BIT(11),
1126 	FTM_RESP_STAT_FAIL_INITIATOR_INACTIVE = BIT(12),
1127 	FTM_RESP_STAT_FAIL_INITIATOR_OUT_WIN = BIT(13),
1128 	FTM_RESP_STAT_FAIL_INITIATOR_RETRY_LIM = BIT(14),
1129 	FTM_RESP_STAT_FAIL_NEXT_SERVED = BIT(15),
1130 	FTM_RESP_STAT_FAIL_TRIGGER_ERR = BIT(16),
1131 	FTM_RESP_STAT_FAIL_GC = BIT(17),
1132 	FTM_RESP_STAT_SUCCESS = BIT(18),
1133 	FTM_RESP_STAT_INTEL_IE = BIT(19),
1134 	FTM_RESP_STAT_INITIATOR_ACTIVE = BIT(20),
1135 	FTM_RESP_STAT_MEASUREMENTS_AVAILABLE = BIT(21),
1136 	FTM_RESP_STAT_TRIGGER_UNKNOWN = BIT(22),
1137 	FTM_RESP_STAT_PROCESS_FAIL = BIT(23),
1138 	FTM_RESP_STAT_ACK = BIT(24),
1139 	FTM_RESP_STAT_NACK = BIT(25),
1140 	FTM_RESP_STAT_INVALID_INITIATOR_ID = BIT(26),
1141 	FTM_RESP_STAT_TIMER_MIN_DELTA = BIT(27),
1142 	FTM_RESP_STAT_INITIATOR_REMOVED = BIT(28),
1143 	FTM_RESP_STAT_INITIATOR_ADDED = BIT(29),
1144 	FTM_RESP_STAT_ERR_LIST_FULL = BIT(30),
1145 	FTM_RESP_STAT_INITIATOR_SCHED_NOW = BIT(31),
1146 }; /* RESP_IND_E */
1147 
1148 /**
1149  * struct iwl_ftm_responder_stats - FTM responder statistics
1150  * @addr: initiator address
1151  * @success_ftm: number of successful ftm frames
1152  * @ftm_per_burst: num of FTM frames that were received
1153  * @flags: &enum ftm_responder_stats_flags
1154  * @duration: actual duration of FTM
1155  * @allocated_duration: time that was allocated for this FTM session
1156  * @bw: FTM request bandwidth
1157  * @rate: FTM request rate
1158  * @reserved: for alingment and future use
1159  */
1160 struct iwl_ftm_responder_stats {
1161 	u8 addr[ETH_ALEN];
1162 	u8 success_ftm;
1163 	u8 ftm_per_burst;
1164 	__le32 flags;
1165 	__le32 duration;
1166 	__le32 allocated_duration;
1167 	u8 bw;
1168 	u8 rate;
1169 	__le16 reserved;
1170 } __packed; /* TOF_RESPONDER_STATISTICS_NTFY_S_VER_2 */
1171 
1172 #define IWL_CSI_MAX_EXPECTED_CHUNKS		16
1173 
1174 #define IWL_CSI_CHUNK_CTL_NUM_MASK_VER_1	0x0003
1175 #define IWL_CSI_CHUNK_CTL_IDX_MASK_VER_1	0x000c
1176 
1177 #define IWL_CSI_CHUNK_CTL_NUM_MASK_VER_2	0x00ff
1178 #define IWL_CSI_CHUNK_CTL_IDX_MASK_VER_2	0xff00
1179 
1180 struct iwl_csi_chunk_notification {
1181 	__le32 token;
1182 	__le16 seq;
1183 	__le16 ctl;
1184 	__le32 size;
1185 	u8 data[];
1186 } __packed; /* CSI_CHUNKS_HDR_NTFY_API_S_VER_1/VER_2 */
1187 
1188 #endif /* __iwl_fw_api_location_h__ */
1189